Fluid-operated system





1. A FLUID-OPERATED SYSTEM COMPRISING: MEANS ADAPTED TO ISSUE A CONTINUOUS FLUID STEAM UNDER PRESSURE, APERTURES POSITIONED TO RECEIVE FLUID ISSUING FROM SAID MEANS, AND CONTROL MEANS POSITIONED TO DEFLECT SAID STREAM, SAID CONTROL MEANS ADAPTED TO ISSUE A STREAM OF FLUID AGAINST SAID CONTINUOUS FLUID STREAM THEREBY VARYING THE QUANTITY OF FLUID RECEIVED BY EACH APERTURE, MEANS CONNECTED TO SAID APERTURES RESPONSIVE TO VARIATIONS IN THE QUANTITY OF FLUID RECEIVED BY SAID APERTURES, AND MEANS COMMUNICATING WITH AT LEAST ONE APERTURE ADAPTED TO FEED BACK A STREAM OF FLUID AGAINST SAID CONTINUOUS STREAM OF FLUID. 